java.lang.IllegalStateException: forge.FThreads.assertExecutedByEdt must be accessed from the event dispatch thread. at forge.FThreads.assertExecutedByEdt(FThreads.java:20) at forge.toolbox.FOverlay.setVisible(FOverlay.java:94) at forge.toolbox.FDialog.setVisible(FDialog.java:111) at forge.toolbox.FOverlay.show(FOverlay.java:81) at forge.toolbox.FOptionPane.showOptionDialog(FOptionPane.java:105) at forge.toolbox.FOptionPane.showOptionDialog(FOptionPane.java:100) at forge.toolbox.FOptionPane.showMessageDialog(FOptionPane.java:58) at forge.toolbox.FOptionPane.showErrorDialog(FOptionPane.java:54) at forge.screens.limited.LoadDraftScreen$2.run(LoadDraftScreen.java:103) at java.lang.Thread.run(Thread.java:818)